VALVE; MODEL TYPE DESIGNATION: DOOR; BODY MATERIAL: NO INFORMATION, TRIM MATERIAL: NO INFORMATION; PRESSURE MEASUREMENT: NO INFORMATION; CLASS: 300PSI; NOMINAL DIAMETER: NO INFORMATION; TYPE CONNECTION: 4 ”; TYPE, STEM: NO INFORMATION; TEMPERATURE RANGE OPERATION: NO INFORMATION; DRIVING METHOD: NO INFORMATION; JOB POSITION:, NO INFORMATION; DESIGNATED USE: NO INFORMATION, ; STANDARDS AND SPECIFICATIONS: NO INFORMATION; ADDITIONAL FEATURES: STEEL, CARBON, ASTM A 216-77, STAINLESS STEEL VALVE, DISC RING AND SEAT RING, OUTER BOLT AND YOKE, FLANGED TIPS, RF,, BOLT BODY CONNECTION, BS, 1938-B-2; SUGGESTED BRANDS: LUNKENHEIMER